<div class="row">
    <div class="col-sm-12">
        <h3>Basic Example</h3>

    </div>
</div>

<div class="row">
    <div class="col-sm-6">
        卡片
    </div>
    <div class="col-sm-6">
        <bwc-card show-header="true">
            <header>
                hello header
            </header>
            <div>
                <h3>
                    content
                </h3>
            </div>
        </bwc-card>
    </div>

</div>